const LEVEL_3 = {
    id: 3,
    name: "第3关-迷宫突围",  // "Maze Breakthrough" - Level 3
    maxRounds: 8,
    target: [
        { type: "monsters", count: 18, description: "怪物: 0/18" }, 
        { type: "boss", count: 2, description: "击败Boss: 0/2" }, // 修改为需要击败2个Boss
    ],
    bossHealth: 5, // 降低Boss血量以便于测试多Boss机制
    
    initialBoard: [
        [10, 10, 10, 8,  10, 10, 10], // Boss remains at center top
        [10, 1,  1,  6,  1,  1,  10], // More type-1 monsters near boss for early access
        [10, 7,  3,  3,  3,  7,  10], // Gems with more consistent monster types nearby
        [1,  10, 1,  1,  1,  10, 1],  // Path with same monster type for reliable chain
        [2,  2,  10, 3,  10, 2,  2],  // Clusters of same monster types
        [3,  3,  6,  3,  6,  3,  3],  // Bottom approach has consistent monster types
        [10, 10, 3,  9,  3,  10, 10]  // Player starting position with matching monsters
    ],
    
    pathGuarantee: true, // New property to ensure there's always at least one valid path to boss
    
    roundRanges: [
        {
            startRound: 0,
            endRound: 3,
            dropRate: {
                monster_blue: 32,
                monster_pink: 32,
                monster_red: 32,
                gem: 4
            }
        },
        {
            startRound: 4,
            endRound: 6,
            dropRate: {
                monster_blue: 30,
                monster_pink: 30, 
                monster_red: 25,
                box: 5,
                gem: 10
            }
        },
        {
            startRound: 7,
            endRound: 8,
            dropRate: {
                monster_blue: 25,
                monster_pink: 25,
                monster_red: 25,
                box: 5, // Reduced box chance in final rounds
                gem: 15,
                wood: 5 // Added some wood chance in final rounds
            }
        }
    ],
    
    defaultDropRate: {
        monster_blue: 35,
        monster_pink: 35,
        monster_red: 30
    }
};
